(index):63 Uncaught ReferenceError: M is not defined at HTMLDocument.<anonymous>

#1

I have written this code in base.html file-
{% load static %}

Portfolio {% block content %} {% endblock %}

{% block script %} {% endblock %}

And I have extended this code to index.html file in which I have written this-
{% extends ‘main\base.html’ %}
{% block content %}
{% include ‘main\nav.html’%}

<h1 class="center-align">Home Page</h1>
<div class="row">
    <div class="col s12 m4">
        <div class="card blue-grey darken-1">
            <div class="card-content white-text">
            <img class="materialboxed responsive-img"  src="https://lh3.googleusercontent.com/-57ct9ETK7ag/XbiECwtpZCI/AAAAAAAAATw/7jMr14PLT-AUBufKF0wSfme4ZhwMBHjngCEwYBhgL/w140-h140-p/2019-10-29.jpg">   
            <span class="card-title">Prabhav Mishra</span>
            </div>
            <div class="card-action">
            <a href="#">Github</a>
            <a href="#">LinkedIn</a>
            </div>
        </div>
    </div>
        <div class="col s12 m8">
            <div class="card blue-grey darken-1">
                <div class="card-content white-text">
                <span class="card-title">About Me</span>
                <p>Pursuing B.Tech. in Electronics and Communication Engineering at Dr. B. R. Ambedkar National Institute of Technology
                </p>
                </div>
            </div>
            </div>
        </div>
</div>
But my css file is getting recognized but same is not happening with javascript file(materialize.min.js)- C:\Users\Prabhav\portfolio\static\js This is the path to my js file.
#2

If you have already collected static files then you have to include ja in the following manner .
src="{% static ‘js/materialize.min.js’ %}"

#3

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